/* ============================================================
   LIVRO DE COBRANÇA — Design System
   Conceito: livro-razão / extrato de cobrança.
   Números tabulares como extrato bancário, status como carimbo
   de tinta vermelha, estrutura de "linhas de lançamento".
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
    /* --- Tokens de cor --- */
    --ink-black: #0A0A0B;
    --ink-surface: #141416;
    --ink-surface-raised: #1C1C1F;
    --ink-line: #2A2A2E;
    --paper: #EDEAE4;          /* branco-papel, não branco puro */
    --paper-dim: #B8B4AC;
    --stamp-red: #C81E2C;      /* vermelho carimbo — cor de assinatura */
    --stamp-red-dim: #7A121C;
    --stamp-red-glow: rgba(200, 30, 44, 0.15);
    --ok-muted: #5A8A6E;       /* verde apagado, uso mínimo, só p/ "pago" */

    /* --- Tipografia --- */
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --radius: 3px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--ink-black);
    color: var(--paper);
    font-family: var(--font-display);
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   AUTENTICAÇÃO
   ============================================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse 800px 500px at 50% -10%, var(--stamp-red-glow), transparent),
        var(--ink-black);
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--ink-surface);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius);
    padding: 40px 36px;
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--stamp-red);
}

.brand-mark {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    margin-bottom: 32px;
}
.brand-mark__ledger { color: var(--paper-dim); }
.brand-mark__red { color: var(--stamp-red); font-weight: 600; }
.brand-mark__ledger::after { content: ' · '; color: var(--ink-line); }

.auth-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.auth-sub {
    color: var(--paper-dim);
    font-size: 14px;
    margin: 0 0 28px;
}

.auth-form { display: flex; flex-direction: column; gap: 18px; }

.auth-form label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    color: var(--paper-dim);
}

.auth-form .opt { color: #706C64; font-weight: 400; }

.auth-form input {
    background: var(--ink-black);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius);
    padding: 12px 14px;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s ease;
}
.auth-form input:focus {
    border-color: var(--stamp-red);
    box-shadow: 0 0 0 3px var(--stamp-red-glow);
}

.btn-primary {
    background: var(--stamp-red);
    color: var(--paper);
    border: none;
    border-radius: var(--radius);
    padding: 13px 20px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    margin-top: 6px;
    transition: background 0.15s ease, transform 0.1s ease;
}
.btn-primary:hover { background: #E12332; }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible { outline: 2px solid var(--paper); outline-offset: 2px; }

.auth-foot {
    text-align: center;
    font-size: 13px;
    color: var(--paper-dim);
    margin: 24px 0 0;
}
.auth-foot a { color: var(--stamp-red); text-decoration: none; font-weight: 600; }
.auth-foot a:hover { text-decoration: underline; }

.alert-stamp {
    border: 1px solid var(--stamp-red-dim);
    background: var(--stamp-red-glow);
    color: #FF8A93;
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

/* ============================================================
   SHELL DO PAINEL (sidebar + topo)
   ============================================================ */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--ink-surface);
    border-right: 1px solid var(--ink-line);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
}

.sidebar__brand {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--ink-line);
    margin-bottom: 20px;
}

.sidebar__nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }

.sidebar__link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 24px;
    color: var(--paper-dim);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.12s ease;
}
.sidebar__link:hover { color: var(--paper); background: var(--ink-surface-raised); }
.sidebar__link.active {
    color: var(--paper);
    border-left-color: var(--stamp-red);
    background: var(--ink-surface-raised);
}

.sidebar__foot { padding: 20px 24px 0; border-top: 1px solid var(--ink-line); margin-top: 16px; }
.sidebar__user { font-size: 13px; color: var(--paper-dim); margin-bottom: 10px; }
.sidebar__logout { color: var(--stamp-red); text-decoration: none; font-size: 13px; font-weight: 600; }

.main {
    flex: 1;
    padding: 32px 40px;
    max-width: 1280px;
}

.main__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.main__title { font-size: 24px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.main__eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--stamp-red);
    text-transform: uppercase;
    margin: 0 0 4px;
}

/* ============================================================
   KPI CARDS (dashboard)
   ============================================================ */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1px;
    background: var(--ink-line);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--ink-surface);
    padding: 22px 24px;
    position: relative;
}

.kpi-card__label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--paper-dim);
    margin: 0 0 10px;
}

.kpi-card__value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 600;
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.kpi-card__value--red { color: var(--stamp-red); }
.kpi-card__value--ok { color: var(--ok-muted); }

.kpi-card__delta { font-size: 12px; color: var(--paper-dim); margin-top: 6px; }

/* ============================================================
   DASHBOARD 2026 — hero stats, gráficos, resumo de clientes
   ============================================================ */

.stat-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.stat-hero__card {
    position: relative;
    background:
        radial-gradient(120% 140% at 100% 0%, rgba(200,30,44,0.10), transparent 55%),
        var(--ink-surface);
    border: 1px solid var(--ink-line);
    border-radius: 10px;
    padding: 20px 22px;
    overflow: hidden;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.stat-hero__card:hover { border-color: #3A3A3F; transform: translateY(-1px); }

.stat-hero__card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--stamp-red);
    opacity: 0.85;
}
.stat-hero__card--muted::before { background: var(--ink-line); }

.stat-hero__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-hero__icon {
    width: 34px; height: 34px;
    border-radius: 8px;
    background: var(--ink-surface-raised);
    border: 1px solid var(--ink-line);
    display: flex; align-items: center; justify-content: center;
    color: var(--paper-dim);
    flex-shrink: 0;
}
.stat-hero__icon svg { width: 17px; height: 17px; }
.stat-hero__icon--red { color: var(--stamp-red); border-color: var(--stamp-red-dim); background: var(--stamp-red-glow); }
.stat-hero__icon--ok { color: var(--ok-muted); border-color: #2E4A3A; background: rgba(90,138,110,0.10); }

.stat-hero__trend {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.stat-hero__trend--up { color: var(--ok-muted); background: rgba(90,138,110,0.12); }
.stat-hero__trend--down { color: var(--stamp-red); background: var(--stamp-red-glow); }
.stat-hero__trend--flat { color: var(--paper-dim); background: var(--ink-surface-raised); }

.stat-hero__label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--paper-dim);
    margin: 0 0 8px;
}

.stat-hero__value {
    font-family: var(--font-mono);
    font-size: 26px;
    font-weight: 600;
    margin: 0;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
}
.stat-hero__value--red { color: var(--stamp-red); }
.stat-hero__value--ok { color: var(--ok-muted); }

.stat-hero__sub { font-size: 12px; color: var(--paper-dim); margin: 6px 0 0; }

/* Grid principal: gráficos + coluna lateral de clientes */
.dash-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 16px;
    margin-bottom: 28px;
}
@media (max-width: 1080px) { .dash-grid { grid-template-columns: 1fr; } }

.chart-card {
    background: var(--ink-surface);
    border: 1px solid var(--ink-line);
    border-radius: 10px;
    padding: 22px 24px;
}

.chart-card__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 18px;
    gap: 12px;
    flex-wrap: wrap;
}
.chart-card__title { font-size: 15px; font-weight: 600; margin: 0; }
.chart-card__hint { font-family: var(--font-mono); font-size: 11px; color: var(--paper-dim); }

.chart-legend { display: flex; gap: 18px; margin-top: 14px; flex-wrap: wrap; }
.chart-legend__item { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--paper-dim); }
.chart-legend__dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* Coluna lateral: composição da carteira + clientes */
.side-stack { display: flex; flex-direction: column; gap: 16px; }

.donut-wrap { display: flex; align-items: center; gap: 20px; }
.donut-wrap canvas { flex-shrink: 0; }
.donut-center-label { font-family: var(--font-mono); font-size: 11px; color: var(--paper-dim); text-align: center; }

.client-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--ink-line);
    border: 1px solid var(--ink-line);
    border-radius: 10px;
    overflow: hidden;
}
.client-stat {
    background: var(--ink-surface);
    padding: 16px 18px;
    text-align: center;
}
.client-stat__value { font-family: var(--font-mono); font-size: 22px; font-weight: 700; margin: 0; }
.client-stat__label { font-size: 11px; color: var(--paper-dim); margin: 4px 0 0; text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--font-mono); }
.client-stat__value--red { color: var(--stamp-red); }
.client-stat__value--ok { color: var(--ok-muted); }

/* Tabela de clientes com barra de risco/proporção */
.client-row-name { display: flex; align-items: center; gap: 10px; }
.client-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--ink-surface-raised);
    border: 1px solid var(--ink-line);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--paper-dim);
    flex-shrink: 0;
}
.debt-bar {
    width: 100%;
    height: 5px;
    border-radius: 3px;
    background: var(--ink-line);
    overflow: hidden;
    margin-top: 6px;
}
.debt-bar__fill { height: 100%; background: var(--stamp-red); border-radius: 3px; }

.section-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 32px 0 14px;
}
.section-row h2 { font-size: 16px; margin: 0; }
.section-row a { color: var(--paper-dim); font-size: 12px; font-family: var(--font-mono); text-decoration: none; }
.section-row a:hover { color: var(--stamp-red); }

/* ============================================================
   TABELA ESTILO EXTRATO / LIVRO-RAZÃO
   ============================================================ */

.ledger {
    width: 100%;
    border-collapse: collapse;
    background: var(--ink-surface);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius);
    overflow: hidden;
}

.ledger thead th {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--paper-dim);
    padding: 14px 20px;
    border-bottom: 1px solid var(--ink-line);
    font-weight: 500;
}

.ledger tbody td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--ink-line);
    font-size: 14px;
}

.ledger tbody tr:last-child td { border-bottom: none; }
.ledger tbody tr:hover { background: var(--ink-surface-raised); }

.ledger .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Carimbo de status — elemento de assinatura do design */
.stamp {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 2px;
    border: 1.5px solid currentColor;
    transform: rotate(-2deg);
}
.stamp--atrasado { color: var(--stamp-red); }
.stamp--pago { color: var(--ok-muted); }
.stamp--pendente { color: var(--paper-dim); }

/* ============================================================
   FORMULÁRIOS (páginas internas)
   ============================================================ */

.form-card {
    background: var(--ink-surface);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 640px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid--full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 13px; color: var(--paper-dim); }
.field input, .field select, .field textarea {
    background: var(--ink-black);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius);
    padding: 11px 13px;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 14px;
    outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
    border-color: var(--stamp-red);
    box-shadow: 0 0 0 3px var(--stamp-red-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--ink-line);
    color: var(--paper);
    padding: 11px 18px;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
}
.btn-outline:hover { border-color: var(--paper-dim); }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--paper-dim);
}
.empty-state h3 { color: var(--paper); font-size: 16px; margin-bottom: 6px; }

/* ============================================================
   BOTÃO DE PERIGO / AÇÕES DE LINHA / TOGGLE
   ============================================================ */

.btn-danger {
    background: transparent;
    border: 1px solid var(--stamp-red-dim);
    color: var(--stamp-red);
    padding: 6px 14px;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}
.btn-danger:hover { background: var(--stamp-red-glow); border-color: var(--stamp-red); }

.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn-small {
    padding: 6px 14px !important;
    font-size: 13px !important;
}

.switch-field {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--ink-line);
}
.switch-field:last-child { border-bottom: none; }
.switch-field__label { font-size: 14px; }
.switch-field__hint { font-size: 12px; color: var(--paper-dim); margin-top: 2px; }

.section-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--paper-dim);
    margin: 28px 0 12px;
}
.section-label:first-child { margin-top: 0; }

.badge-count {
    display: inline-block;
    background: var(--ink-surface-raised);
    border: 1px solid var(--ink-line);
    color: var(--paper-dim);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
}

@media (max-width: 860px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; overflow-x: auto; padding: 12px; }
    .sidebar__brand, .sidebar__foot { display: none; }
    .sidebar__nav { flex-direction: row; }
    .main { padding: 20px; }
    .form-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}